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A021234 as a simple table

n a(n)
0 1
1 20
2 277
3 3324
4 37149
5 398916
6 4181269
7 43157708
8 440992717
9 4475837652
10 45219751941
11 455427151452
12 4576878947005
13 45927041513828
14 460378179477493
15 4611536145214956
16 46169641905360813
17 462076382226349044

[1,20,277,3324,37149,398916,4181269,43157708,
 440992717,4475837652,45219751941,455427151452,
 4576878947005,45927041513828,460378179477493,
 4611536145214956,46169641905360813,
 462076382226349044]

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Last modified May 7 06:57 EDT 2024. Contains 372300 sequences. (Running on oeis4.)